Oliver Königer is the visionary behind tentobag and has successfully lead numerous remarkable projects. Furthermore, the certified personal trainer and coach always reaches his goals – also as a passionate marathon runner.

Sonja Leben is the co-founder of tentobag. Holding a degree in design, she can manipulate images as well as conceptualize 5 course menus. International travel is her passion – she brings back to Hannover a bag full of new grafic design ideas.